The document is a presentation on cyber-bullying on social networking sites. It defines cyber-bullying as online harassment and discusses how victims can be psychologically affected. Statistics on social networking usage are provided and two case studies of victims who tragically committed suicide after enduring cyber-bullying are examined. The presentation concludes by recommending enforcement of anti-bullying policies, education, and notifying authorities if one's safety is at risk in order to address the serious issue of cyber-bullying.